1/4"-20 X 1 1/2" Ribbed Neck Carriage Bolt Grade 5 Fully Threaded Zinc Material: Grade 5 Finish: Zinc Full Size: 1/4"-20x 1 1/2" Diameter: 1/4" Length: 1 1/2" Threads Per Inch: 20 U.O.M.: Imperial Thread Length: Full Thread Thread Type: UNC